Create a highly detailed and realistic full-body image of a female character who embodies a villainous aura in a 9:16 scale. She has long, flowing white hair and a menacing gaze, enhanced by dark makeup. Her style merges edgy street fashion with dark fantasy elements, wearing a modern black jacket with neon green and yellow accents that give off an ominous glow. She has a black miniskirt, fishnet stockings, and hefty boots, accessorizing with large hoop earrings and reflective sunglasses that add to her mysterious demeanor. Clutched in her hand is an ancient briefcase, adorned with arcane symbols and emitting a sinister purple energy, indicating that it contains a malevolent power. Her stance is dominant and imposing, with a background of deep purples and shadows that highlight the threatening presence of this character.